2d arraylist in java

int vertexCount = 3;
ArrayList<ArrayList<Integer>> graph = new ArrayList<>(vertexCount);
//Next, we'll initialize each element of ArrayList with another ArrayList:

for(int i=0; i < vertexCount; i++) {
    graph.add(new ArrayList());
}

Source: grepper.com

Creating a 2d arraylist in java

List<List<String>> listOfLists = new ArrayList<List<String>>(size); 
for(int i=0; i<size; i++) {
	listOfLists.add(new ArrayList<String>());
}

Source: stackoverflow.com

How to create a 2d arraylist java

ArrayList<ArrayList<Object>> a = new ArrayList<ArrayList<Object>>();

-2

Source: grepper.com

Similar codes

0 vote148 views1 answer
Why enable multidex android
Java
1 vote121 views1 answer
Javafx filechooser specific file
Java
1 vote135 views1 answer
Java get unique elements from array
Java
0 vote90 views2 answers
Drawimage java
Java
9 votes118 views5 answers
Flutter image
Java
1 vote129 views1 answer
Java stream limit items
Java
1 vote126 views1 answer
How to add minutes in date in java
Java
2 votes136 views1 answer
Priority queue java comparator
Java
76 votes127 views3 answers
Java split string array
Java
0 vote155 views2 answers
Int a ,b,z; a=1;b=4;while(a<b) { a=2*a; b=b 1; } z=b;
Java